Colourblocks is a British animated television series for preschoolers that debuted on CBeebies on 12 September 2022. The series follows the adventures of block characters in Colourland, each one named after a colour. Together with the series Alphablocks and Numberblocks it is a part of the "Blocks Universe". Commissioned by the British Broadcasting Corporation, the programme was created by Joe Elliot and David Bowman, and produced by Alphablocks Ltd. with Blue Zoo Animation Studio.

Two seasons have been produced. As of 2024, the series was scheduled for production up to 2027, per an agreement between the Alphablocks Ltd. and Blue Zoo, and BBC.